Earl Cu Uladh of Ulaidh

Earl Cu Uladh of Ulaidh (2 January 1024-), known as Cullough of Ulster in English, was the ruler of Ulster during the late 11th century. In 1068, neighboring Tyrconnell invaded Ulster under Earl Einri of Tir Chonaill, and Uladh was overthrown in July 1068 as a part of a peace treaty with Tyrconnell.